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What he has learned through practice before him a lot in his future work.A.helpi

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What he has learned through practice before him a lot in his future work.A.helpi

What he has learned through practice before _____ him a lot in his future work.

A.helping

B.helped

C.it helps

D.will help

试题答案

D

before这里是副词,不是介词,也不是连词,所填词实际是谓语动词.